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DO6400-7400 Dissolved Oxygen Sensor

DO6400-7400 Dissolved Oxygen Sensor

2-3 Weeks Del.

Quick Overview

The DO6400 & DO7400 series of dissolved oxygen sensors feature large capacity electrolyte holders, positive fit, easy to replace membranes and dependable galvanic cell technology for long term deployment. The body design ensures a good grip when wet. Ideal for Aquaculture and waste water monitoring applications, these sensors require minimal maintenance.
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Details

Dissolved oxygen (DO) is the term used for the measurement of the amount of oxygen dissolved in a unit volume of water. Although dissolved oxygen (DO) is usually displayed as mg/L or ppm, DO sensors do not measure the actual amount of oxygen in water, but instead measure partial pressure of oxygen in water. Oxygen pressure is dependant on both salinity and temperature.

In sewage treatment, bacteria decompose the solids. If the DO level is too low, the bacteria will die and decomposition ceases; if the DO level is too high, energy is wasted in the aeration of the water. For aquaculture if the DO level falls too low the fish will suffocate. Boiler make-up water must have low DO levels to prevent corrosion and scale build-up which inhibits heat transfer.

The DO6400 & DO7400 series of dissolved oxygen sensors are available with either Teflon or High-Density Polyethylene (HDPE) membranes and can come with either a mV output or with a factory calibrated 4-20mA output for either 0-100% or 0-200% saturation levels. The DO6400 use a Zinc anode and are more suited for applications with normally high level saturations. The DO7400 use a Lead anode and are more suited for applications with normally low level saturations.

Replacement membranes, installation tool and electrolyte are sold separately or as a convenient kit. Sensors will typically only require replacement membranes once or twice a year dependant on the levels of exposure.

Specifications
 

O2 Measuring Range DO6400 (0.5-20ppm), DO6441(0-100%), DO6442(0-200%)
Body Material Noryl
Maximum Temperature 50°C
Power Requirement 12-36vDC (for models DO6441, DO6442 only)
Temperature Sensor Connect to your controller or PLC for temperature output
Cable Length 3 metres, tinned leads
Minimum Flow Rate 50mm per second

    
Output @ Air saturation 
HDPE DO6400 (45mV +/- 9mV)
Teflon DO6400 (33mV +/- 9mV)
HDPE & Teflon DO6441 (0-100%) - fixed 4.5mA = <1 ppm DO
HDPE & Teflon DO6441 (0-100%)- fixed 15-20 mA = saturated air
HDPE & Teflon DO6442 (0-200%)- fixed 4.5mA = <1 ppm DO
HDPE & Teflon DO6442 (0-200%) - fixed 10-12 mA = saturated air

Availability: Stock Item

 

Components / Downloads

For further information, technical advice, or a quotation please call or email us. If you are not sure which product you need one of our technical sales advisors will be happy to discuss your application. We also accept company purchase orders by fax or post. Credit card orders can also be placed over the phone for any product.

REF DESCRIPTION DOWNLOADS PRICE ORDER ITEM
 
DO6400 Series Sensors for Standard Range Applications
DO6441-H
DO6441-H
Dissolved Oxygen sensor with a Zinc anode and a HDPE membrane for standard range applications. Range 0-100% saturation with a 4-20mA output. Sensors are fitted with a standard of 3m cable.
View FileDatasheet
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£465.00
or call us for a quote
DO6441-T
DO6441-T
Dissolved Oxygen sensor with a Zinc anode and a Teflon membrane for standard range applications. Range 0-100% saturation with a 4-20mA output. Sensors are fitted with a standard of 3m cable.
£545.01
or call us for a quote
DO6442-H
DO6442-H
Dissolved Oxygen sensor with a Zinc anode and a HDPE membrane for standard range applications. Range 0-200% saturation with a 4-20mA output. Sensors are fitted with a standard of 3m cable.
£465.00
or call us for a quote
DO6442-T
DO6442-T
Dissolved Oxygen sensor with a Zinc anode and a Teflon membrane for standard range applications. Range 0-200% saturation with a 4-20mA output. Sensors are fitted with a standard of 3m cable.
£485.00
or call us for a quote
 
DO7400 Series Sensors for Low Range Applications
DO7441-H
DO7441-H
Dissolved Oxygen sensor with a Lead anode and a HDPE membrane for low range applications. Range 0-100% saturation with a 4-20mA output. Sensors are fitted with a standard of 3m cable.
£465.00
or call us for a quote
DO7441-T
DO7441-T
Dissolved Oxygen sensor with a Lead anode and a Teflon membrane for low range applications. Range 0-100% saturation with a 4-20mA output. Sensors are fitted with a standard of 3m cable.
£465.00
or call us for a quote
DO7442-H
DO7442-H
Dissolved Oxygen sensor with a Lead anode and a HDPE membrane for low range applications. Range 0-200% saturation with a 4-20mA output. Sensors are fitted with a standard of 3m cable.
£465.00
or call us for a quote
DO7442-T
DO7442-T
Dissolved Oxygen sensor with a Lead anode and a Teflon membrane for low range applications. Range 0-200% saturation with a 4-20mA output. Sensors are fitted with a standard of 3m cable.
£465.00
or call us for a quote